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Mount Dana
Mount Dana 2008 edit.JPG
Mount Dana as seen from the west. The hike to the top goes up this face.
Highest point
Elevation 13,061 ft (3,981 m) NAVD 88
Prominence 2,417 ft (737 m)
Parent peak Mount Lyell
Listing California highest major peaks 18th
Geography
Location Mono / Tuolumne counties, California, U.S.
Parent range Sierra Nevada
Topo map USGS Mount Dana
Geology
Age of rock Cretaceous
Mountain type Metamorphic rock
Climbing
First ascent June 28, 1863 by Whitney, Brewer, and Hoffmann
Easiest route Hike, class 1

Mount Dana is a tall mountain in California, U.S.. Its top marks the eastern edge of Yosemite National Park. It also forms the western edge of the Ansel Adams Wilderness.

Standing at 13,061 feet (3,981 m) high, it is the second highest mountain in Yosemite. Only Mount Lyell is taller. Mount Dana is also the highest peak in Yosemite that you can reach by a simple hike. The mountain is named after James Dwight Dana. He was a professor of geology at Yale.

About Mount Dana's Geology

Mount Dana is made of very old rock. This rock is mostly reddish metamorphic rock. Metamorphic rock forms when other rocks change due to heat and pressure. This rock came from surfacing magma during the Mesozoic Era (the time of dinosaurs).

Nature Around Mount Dana

Mount Dana has a small glacier on its northern side. This is called the Dana Glacier. At the bottom of the mountain are the Dana Meadows. From the top of Mount Dana, you can see many lakes in Dana Meadows. You can also see Mono Lake, Tioga Peak, and many other mountains.

Plants and Animals

After you climb above the tree line, there are not many plants. You might see lichen and a few high alpine flowers. One such flower is the Sky Pilot (Polemonium eximium).

Animals are mostly small creatures. You might spot spiders and insects like black or brown grasshoppers. The only mammals you are likely to see are marmots and American Pikas. Pikas are small animals related to rabbits.

Hiking to the Summit

You can hike to the top of Mount Dana from the Tioga Pass Road. There are many easy paths along the western or southern slopes. These paths climb about 3,108 feet (947 m) over 2.9 miles (4.7 km). The trail is not always kept up.

Mount-dana-topo
Mount Dana Topographic Map

There is a clear path that goes just above the tree line. After you reach a ridge, you will find smaller paths and rock piles called ducks. These help guide you. The main path follows the eastern ridge. Some parts of the hike can be a bit tricky.

As you get closer to the top, the path turns into loose rocks called scree. At the very top, there is a small stone shelter. You might also find a register to sign. There can be a lot of snow on the mountain slopes even in late summer. A round trip hike can take from 3 to 12 hours. This depends on how used you are to the high elevation.

Mount Dana Yosemite Lake
Panoramic Photograph of Mount Dana, Yosemite National Park taken from Tioga Pass Park Entrance

Safety Tips for Hikers

Thunderstorms can start very suddenly on Mount Dana. This can make the rocks slippery and hiking dangerous. This can happen any time of year.

Even experienced hikers can feel sick from the high elevation. This is called altitude sickness. It is important to be prepared for this.

The view from the summit encompasses much of Yosemite National Park and Mono Lake

See also

Kids robot.svg In Spanish: Monte Dana para niños

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